low intensity of light B. medium intensity of light C. high intensity of light The rate of photosynthesis will be highest at high intensity of light. The plateau indicates that after a steady increase the rate is unaffected because the chlorophyll molecules lose their excitability. 3. Based on what you already know about photosynthesis‚ write a testable hypothesis to explain the influence of an increase in light intensity on the photosynthetic rate in tomato leaves.
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best product and service. Most NPK compound fertilizer is rated based on the percentage of nitrogen‚ phosphorous and potassium‚ using a rubric called NPK. The amount of nitrogen will encourage growth of stems and leaves by promoting protein and chlorophyll. More flowers‚ larger fruits and healthier roots and tubers will result from added phosphorus‚ which also helps plants resist certain diseases. Finally‚ potassium thickens stems and leaves by fostering protein development. This means‚ for example
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membranes contain and protect the inner parts of the chloroplast. The stroma is an area inside of the chloroplast where reactions occur and starches (sugars) are created. One thylakoid stack is called a granum. The thylakoids have chlorophyll molecules on their surface. That chlorophyll uses sunlight to create sugars. The stacks of sacs are connected by stromal lamellae. The lamellae act like the skeleton of the chloroplast‚ keeping all of the sacs a safe distance from each other and maximizing the efficiency
Free Photosynthesis Cellular respiration Adenosine triphosphate
organized into two subcomponents: * antenna complex: Lots of pigments (A‚ B‚ and carotenoids) Pigments along with some proteins that organize some pigments about 200 found‚ scaffold proteins * reaction center complex A pair of chlorophyll A are found proteins are organized and shape reactions. PEA are bound here. * (T/F?) In either complex‚ membrane proteins are present to anchor and support the functions of pigment and other organic molecules. 11. Light interacts with
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Whenever someone hears a nutritionist talk about poor eating habits the first thing that comes to mind is obesity. And that’s perfectly logical because we are a diet-conscious nation and it’s virtually impossible to open a newspaper or listen to a news broadcast without hearing that Americans are gaining pounds and inches at an unprecedented rate. But obesity is more than simply unattractive. It’s also unhealthy. So unhealthy that it’s literally killing us. A study by researchers at the Centers
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Describe the role of the citric acid cycle as a central metabolic mechanism. Explain what happens to the cells’ abilities to oxidize acetyl CoA when intermediates of the cycle are drained off for amino acid biosynthesis. Glucose is a source of energy that is metabolized into glycolysis to pyruvate yielding ATP. To become more efficient‚ pyruvate must be oxidized into carbon dioxide and water. This combustion of carbon dioxide and water to generate ATP is called cellular respiration (Tymoczko‚
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thylakoids‚ where light dependent reactions occur(Mitchelsl‚ Reece). Spinach leaves contain chlorophyll a and b and b -carotene as major pigments as well as smaller amounts of other pigments such as xanthophylls. The two forms of chlorophyll are identical except that a methyl group in a is replaced by an aldehyde in b. In terrestrial plants‚ the most important pigments are chlorophyll a (blue-green)‚ chlorophyll b (yellow-green)‚ xanthophyll (yellow) and carotene
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Table of Contents Abstract ...2 Introduction ....................................................................................................................3 Theoretical Aspects 4 Affects of light intensities on plant photosynthesis measured by the amount of oxygen produced ..5 Experimental Aspects 6 Factors that Affect the rate of photosynthesis ...........7 Investigating
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Chapter 6-Intro to Metabolism METABOLISM= all the chemical reactions in an organism CATABOLIC PATHWAY (CATABOLISM)• release of energy by the breakdown of complex molecules to simpler compounds EX: digestive enzymes break down food ANABOLIC PATHWAY (ANABOLISM) • consumes energy to build complicated molecules from simpler ones EX: linking amino acids to form proteins ORGANISMS TRANSFORM ENERGY ENERGY- capacity to do work KINETIC ENERGY- energy of moving objects POTENTIAL ENERGY- energy
Free Photosynthesis
underground‚ the stimulus of not having any sunlight prevents the plants from growing chlorophyll and thus from growing leaves. SInce no sunlight is present underground‚ growing leaves would be pointless and would stunt the very essential growth of the plant as well as wasting very precious resources. Therefore hormones in the plant signal the formation of proteins that inhibit production of chlorophyll and promotes extensive growth‚ ensuring that the plant will reach sunlight as soon as possible
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